/*******************************************************************************
 * This file is part of logisim-evolution.
 *
 *   logisim-evolution is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   logisim-evolution is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with logisim-evolution.  If not, see <http://www.gnu.org/licenses/>.
 *
 *   Original code by Carl Burch (http://www.cburch.com), 2011.
 *   Subsequent modifications by :
 *     + Haute École Spécialisée Bernoise
 *       http://www.bfh.ch
 *     + Haute École du paysage, d'ingénierie et d'architecture de Genève
 *       http://hepia.hesge.ch/
 *     + Haute École d'Ingénierie et de Gestion du Canton de Vaud
 *       http://www.heig-vd.ch/
 *   The project is currently maintained by :
 *     + REDS Institute - HEIG-VD
 *       Yverdon-les-Bains, Switzerland
 *       http://reds.heig-vd.ch
 *******************************************************************************/

package com.cburch.draw.gui;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import com.cburch.draw.canvas.Canvas;
import com.cburch.draw.tools.AbstractTool;
import com.cburch.draw.tools.DrawingAttributeSet;
import com.cburch.draw.tools.SelectTool;
import com.cburch.logisim.gui.generic.AttrTable;

public class AttrTableDrawManager implements PropertyChangeListener {
	private Canvas canvas;
	private AttrTable table;
	private AttrTableSelectionModel selectionModel;
	private AttrTableToolModel toolModel;

	public AttrTableDrawManager(Canvas canvas, AttrTable table,
			DrawingAttributeSet attrs) {
		this.canvas = canvas;
		this.table = table;
		this.selectionModel = new AttrTableSelectionModel(canvas);
		this.toolModel = new AttrTableToolModel(attrs, null);

		canvas.addPropertyChangeListener(Canvas.TOOL_PROPERTY, this);
		updateToolAttributes();
	}

	public void attributesSelected() {
		updateToolAttributes();
	}

	//
	// PropertyChangeListener method
	//
	public void propertyChange(PropertyChangeEvent evt) {
		String prop = evt.getPropertyName();
		if (prop.equals(Canvas.TOOL_PROPERTY)) {
			updateToolAttributes();
		}
	}

	private void updateToolAttributes() {
		Object tool = canvas.getTool();
		if (tool instanceof SelectTool) {
			table.setAttrTableModel(selectionModel);
		} else if (tool instanceof AbstractTool) {
			toolModel.setTool((AbstractTool) tool);
			table.setAttrTableModel(toolModel);
		} else {
			table.setAttrTableModel(null);
		}
	}
}